89596589 has 4 divisors (see below), whose sum is σ = 89620956. Its totient is φ = 89572224.

The previous prime is 89596547. The next prime is 89596597. The reversal of 89596589 is 98569598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98569598 = 2 ⋅49284799.

It can be written as a sum of positive squares in 2 ways, for example, as 4182025 + 85414564 = 2045^2 + 9242^2 .

It is a cyclic number.

It is not a de Polignac number, because 89596589 - 2⁸ = 89596333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89595589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5414 + ... + 14439.

It is an arithmetic number, because the mean of its divisors is an integer number (22405239).

Almost surely, 2^89596589 is an apocalyptic number.

It is an amenable number.

89596589 is a deficient number, since it is larger than the sum of its proper divisors (24367).

89596589 is a wasteful number, since it uses less digits than its factorization.

89596589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24366.

The product of its digits is 6998400, while the sum is 59.

The square root of 89596589 is about 9465.5474749219. The cubic root of 89596589 is about 447.4698984153.

The spelling of 89596589 in words is "eighty-nine million, five hundred ninety-six thousand, five hundred eighty-nine".